Giúp mk nka? Hạn chót chiều hoặc tối nay? EX3. Điền “for” hoặc “since” vào chỗ trống sao cho thích hợp. 1. I have learned Japanese _________ 3 months. 2. May has been working for a non-profit organization _________ I graduated. 3. Kim has been unemployed _________ half a year. 4. I miss my friend. I haven’t seen her _________ months. 5. We have lived in the dorm _________ our first year at university. 6. Jim and Jane have known each other _________ quite a long time. 7. The baby’s hungry. He hasn’t eaten anything _________ the morning. 8. Have you used this laptop _________ 4 years? 9. They’ve been close friends _________ they started college. 10. My grandmother has been a vegetarian _________ several years.